Crosslinked acrylonitrile copolymers

Details Crosslinked acrylonitrile copolymers Crosslinked acrylonitrile copolymers

C - Chemistry, Metallurgy

08

F

402/183, 402/300

C08F 220/44 (2006.01) C08F 8/30 (2006.01) C08G 69/44 (2006.01) D01F 6/54 (2006.01)

Patent

CA 1085547

Abstract of the Disclosure The invention relates to a process for the production of crosslinked fibres or filaments by spinning an acrylo- nitrile copolymer containing at least 20 mVal of carboxyl groups per kg of polymer together with a polyoxaxoline in a polar organic solvent and thereafter crosslinking at temperatures of from 120 to 190°C. The invention also relates to crosslinked acrylonitrile fibres and filaments obtainable by this process. - 1 -

278753

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